m

emms appears to be appending to the global-mode-string https://github.com/emacsmirror/emms/blob/master/lisp/emms-mode-line.el

does the same bug appear in [Simple White X](https://addons.mozilla.org/en-us/firefox/addon/simplewhitex/?src=cb-dl-created), the up to date fork or [Simple White Compact](https://addons.mozilla.org/en-US/firefox/addon/simple-white-compact/), the compact fork?